Engine Coolant

The cooling system in the vehicle for all engines and the intercooler is filled with DEX-COOL®. This coolant is designed to remain in the vehicle for 5 years or 240 000 km (150,000 mi), whichever occurs first.

The following explains the cooling system and how to check and add coolant when it is low. If there is a problem with engine overheating, see Engine Overheating.

See also:

Engine Compartment Fuse Block (CTS-V Coupe and Sedan)
This fuse block is on the left side of the engine compartment. Lift the fuse block cover to access the fuses. The vehicle may not be equipped with all of the fuses and relays shown. Notic ...

Front Display
The front display is located in the instrument panel in the center of the speedometer and has four bars to provide distance and system information. The following describes how the UFRPA front ...

Manual Liftgate
For vehicles without keyless access, unlock the vehicle before opening the liftgate. Press the touch pad located in the handle of the liftgate, above the license plate, and lift up to open. Do ...